New folder structure for opensearch-build repo

.gitignore

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+Thumbs.db
+.DS_Store
+
+.idea/
+*.iml
+
+__pycache__
+.pytest_cache
+
+.gradle/
+.settings/
+out.txt

config/opensearch_dashboards.yml

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+# Copyright 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License").
+# You may not use this file except in compliance with the License.
+# A copy of the License is located at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# or in the "license" file accompanying this file. This file is distributed
+# on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+# express or implied. See the License for the specific language governing
+# permissions and limitations under the License.
+
+# Description:
+# Default configuration for OpenSearch Dashboards
+
+opensearch.hosts: ["https://localhost:9200"]
+opensearch.ssl.verificationMode: none
+opensearch.username: "kibanaserver"
+opensearch.password: "kibanaserver"
+opensearch.requestHeadersWhitelist: [ authorization ]
+
+opensearch_security.multitenancy.enabled: true
+opensearch_security.multitenancy.tenants.preferred: ["Private", "Global"]
+opensearch_security.readonly_mode.roles: ["kibana_read_only"]
+# Use this setting if you are running kibana without https
+opensearch_security.cookie.secure: false

release/tar/linux/opensearch-tar-install.sh

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+#!/bin/bash
+
+# Copyright 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License").
+# You may not use this file except in compliance with the License.
+# A copy of the License is located at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# or in the "license" file accompanying this file. This file is distributed
+# on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+# express or implied. See the License for the specific language governing
+# permissions and limitations under the License.
+
+OPENSEARCH_HOME=`dirname $(realpath $0)`; cd $OPENSEARCH_HOME
+KNN_LIB_DIR=$OPENSEARCH_HOME/plugins/opensearch-knn/knnlib
+##Security Plugin
+bash $OPENSEARCH_HOME/plugins/opensearch-security/tools/install_demo_configuration.sh -y -i -s
+
+##Perf Plugin
+chmod 755 $OPENSEARCH_HOME/plugins/opensearch-performance-analyzer/pa_bin/performance-analyzer-agent
+chmod -R 755 /dev/shm
+chmod 755 $OPENSEARCH_HOME/bin/performance-analyzer-agent-cli
+echo "done security"
+PA_AGENT_JAVA_OPTS="-Dlog4j.configurationFile=$OPENSEARCH_HOME/plugins/opensearch-performance-analyzer/pa_config/log4j2.xml \
+              -Xms64M -Xmx64M -XX:+UseSerialGC -XX:CICompilerCount=1 -XX:-TieredCompilation -XX:InitialCodeCacheSize=4096 \
+              -XX:InitialBootClassLoaderMetaspaceSize=30720 -XX:MaxRAM=400m"
+
+OPENSEARCH_MAIN_CLASS="com.amazon.opendistro.opensearch.performanceanalyzer.PerformanceAnalyzerApp" \
+OPENSEARCH_ADDITIONAL_CLASSPATH_DIRECTORIES=plugins/opensearch-performance-analyzer \
+OPENSEARCH_JAVA_OPTS=$PA_AGENT_JAVA_OPTS
+
+if ! grep -q '## OpenSearch Performance Analyzer' $OPENSEARCH_HOME/config/jvm.options; then
+   CLK_TCK=`/usr/bin/getconf CLK_TCK`
+   echo >> $OPENSEARCH_HOME/config/jvm.options
+   echo '## OpenSearch Performance Analyzer' >> $OPENSEARCH_HOME/config/jvm.options
+   echo "-Dclk.tck=$CLK_TCK" >> $OPENSEARCH_HOME/config/jvm.options
+   echo "-Djdk.attach.allowAttachSelf=true" >> $OPENSEARCH_HOME/config/jvm.options
+   echo "-Djava.security.policy=$OPENSEARCH_HOME/plugins/opensearch-performance-analyzer/pa_config/opensearch_security.policy" >> $OPENSEARCH_HOME/config/jvm.options
+fi
+echo "done plugins"
+
+##Check KNN lib existence in OpenSearch TAR distribution
+echo "Checking kNN library"
+FILE=`ls $KNN_LIB_DIR/libKNNIndex*.so`
+if test -f "$FILE"; then
+    echo "FILE EXISTS $FILE"
+else
+    echo "TEST FAILED OR FILE NOT EXIST $FILE"
+fi
+
+##Set KNN Dylib Path for macOS and *nix systems
+if echo "$OSTYPE" | grep -qi "darwin"; then
+    if echo "$JAVA_LIBRARY_PATH" | grep -q "$KNN_LIB_DIR"; then
+        echo "KNN lib path has been set"
+    else
+        export JAVA_LIBRARY_PATH=$JAVA_LIBRARY_PATH:$KNN_LIB_DIR
+        echo "KNN lib path not found, set new path"
+        echo $JAVA_LIBRARY_PATH
+    fi
+else
+    if echo "$LD_LIBRARY_PATH" | grep -q "$KNN_LIB_DIR"; then
+        echo "KNN lib path has been set"
+    else
+        export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$KNN_LIB_DIR
+        echo "KNN lib path not found, set new path"
+        echo $LD_LIBRARY_PATH
+    fi
+fi
+
+##Start OpenSearch
+bash $OPENSEARCH_HOME/bin/opensearch "$@"